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1. 发明申请

WO2021034258A1 FILTER ELEMENT FOR FILTER DISC COMPRISING ELEVATED RESTRICTION EDGES 审中-公开
公开(公告)号：WO2021034258A1
公开(公告)日：2021-02-25
申请号：PCT/SE2020/050795
申请日：2020-08-17
申请人： NORDIC WATER PRODUCTS AB
发明人： PERSSON, Nils-Åke
IPC分类号： B01D33/23 , B01D33/21
摘要： A filter element (2) for use in a filter disc (25), wherein a plurality of filter elements (2) are arranged on a rotor shaft (3) in a manner allowing liquid communication between the inside (4) of the filter elements (2) and the inside (5) of the rotor shaft (3). The filter element (2) has at least one passage (21) in an edge structure (22) for liquid communication between the inside (4) of adjacent filter elements (2) when the filter elements (2) are assembled forming a filter disc (25). The passage (21) has an elevated retention edge (30) extending along at least one edge of the passage (21). Transportation of particles between filter elements in a disc filter is thereby minimized.

2. 发明申请

WO2011099917A1 COMPRESSED AIR SUPPLY FOR THE OPERATION OF MOVING BED FILTERS 审中-公开
标题翻译：用于运动滤池过滤器的压缩空气供应
公开(公告)号：WO2011099917A1
公开(公告)日：2011-08-18
申请号：PCT/SE2011/000024
申请日：2011-02-11
申请人： NORDIC WATER PRODUCTS AB , LARSSON, Hans, F.
发明人： LARSSON, Hans, F.
IPC分类号： B01D24/28 , B01D24/48 , B01D37/04
CPC分类号： B01D24/36 , B01D24/4689
摘要： A method for supplying compressed air for the operation of moving bed filters by means of a compressor is characterized by controlling the pressure of compressed air from the compressor by controlling the rotational speed of the compressor. A system for supplying compressed air is also provided. By use of the described method and system, substantial energy savings of approximately 50 percent can be achieved.
摘要翻译：用于通过压缩机提供用于移动床式过滤器的操作的压缩空气的方法的特征在于通过控制压缩机的转速来控制来自压缩机的压缩空气的压力。还提供了一种用于供应压缩空气的系统。通过使用所描述的方法和系统，可以实现大约50％的大量节能。

3. 发明申请

WO2009105015A1 FILTER ELEMENT FOR A DISC FILTER 审中-公开
标题翻译：过滤器过滤器元件
公开(公告)号：WO2009105015A1
公开(公告)日：2009-08-27
申请号：PCT/SE2009/050165
申请日：2009-02-17
申请人： NORDIC WATER PRODUCTS AB , LARSSON, Hans F , GUSTAFSSON, Kjell
发明人： LARSSON, Hans F , GUSTAFSSON, Kjell
IPC分类号： B01D33/23 , B01D33/21
CPC分类号： B01D33/23
摘要： A filter element (2) for use in a disc filter (1), wherein a plurality of filter elements (2) are arranged on a rotor shaft (3) in a manner allowing liquid communication between the inside (4) of the filter elements (2) and the inside (5) of the rotor shaft (3), for the filtering of liquids. The filter element (2) comprises a framework (6) carrying a filter cloth (7) on both its side surfaces (8), wherein the framework (6) and the filter cloth (7) are permanently joined forming a single use filter element (2) and the filter element has at least one passage (21 ) in each edge (22) for liquid communication between the inside (4) of adjacent filter elements. A disc filter (1) comprising a single use filter element (2) is also provided.
摘要翻译：一种用于盘式过滤器（1）的过滤器元件（2），其中多个过滤器元件（2）以允许过滤元件（4）的内部（4）之间的液体连通的方式设置在转子轴（3）上，（2）和转子轴（3）的内部（5），用于过滤液体。过滤元件（2）包括在其两个侧表面（8）上承载滤布（7）的框架（6），其中框架（6）和滤布（7）永久地接合形成单一使用的过滤元件（2），并且所述过滤元件在每个边缘（22）中具有至少一个通道（21），用于在相邻的过滤元件的内部（4）之间进行液体连通。还提供了包括单次用过滤元件（2）的盘式过滤器（1）。

4. 发明申请

WO1998001206A1 AN APPARATUS FOR FILTERING LIQUIDS 审中-公开
标题翻译：用于过滤液体的装置
公开(公告)号：WO1998001206A1
公开(公告)日：1998-01-15
申请号：PCT/SE1997001257
申请日：1997-07-10
申请人： NORDIC WATER PRODUCTS AB , FRYKHULT, Rune, H.
发明人： NORDIC WATER PRODUCTS AB
IPC分类号： B01D33/067
CPC分类号： B01D33/067 , B01D33/11 , B01D2201/282 , B01D2201/34
摘要： An apparatus for filtering liquids comprises a hollow body (1) which is rotatable about a horizontal axis (6). Liquid to be filtered is supplied into the interior of the rotating hollow body whereby filtrate flows by gravity through filter material (2) of the hollow body into a filtrate container (22). A sealing means (14) seals between a stationary circumferential wall (13), which defines a liquid supplying chamber (12), and a circumferential liquid impervious wall (8) of the hollow body. Wall means (8, 20a) are arranged to prevent unfiltered liquid leaking past the sealing means from entering the filtrate container.
摘要翻译：用于过滤液体的装置包括可围绕水平轴线（6）旋转的中空体（1）。将要过滤的液体供应到旋转中空体的内部，由此滤液通过重力通过中空体的过滤材料（2）流入滤液容器（22）。密封装置（14）在限定液体供应室（12）的固定周壁（13）和中空体的周向不透液体壁（8）之间密封。壁装置（8,20a）布置成防止未过滤的液体经过密封装置泄漏进入滤液容器。

5. 发明申请

WO2019216814A1 AUTOMATIC CLEANING OF LAMELLA PLATE SETTLER 审中-公开
公开(公告)号：WO2019216814A1
公开(公告)日：2019-11-14
申请号：PCT/SE2019/050410
申请日：2019-05-08
申请人： NORDIC WATER PRODUCTS AB
发明人： APELQVIST, Lars , JANSSON, Daniel
IPC分类号： B01D21/00
摘要： A cleaning system (20) for cleaning a lamella plate settler (1) comprises at least one mechanical cleaning device (30); suspension means (34, 35, 36, 40) adapted to suspend the mechanical cleaning device (30); wherein the suspension means comprises displacement means (36, 40)for lowering and raising the at least one mechanical cleaning device (30) for mechanical cleaning of a lamella plate (18) positioned below the cleaning system (20). By providing a frame (24) supporting the at least one cleaning device (30); wheels (26) attached to the frame and adapted to move on rails (19), the wheels comprising driving wheels (26') and non- driving wheel (26), and a sensor (29), preferably an inductive sensor, adapted to sense the rotational position of the driving wheels (26'),the lamella plate settler can be automatically be cleaned without emptying the basin of water, thus allowing cleaning during operation.A lamella plate settler and a method of cleaning a lamella plate are also provided.

6. 发明申请

WO2018222130A1 FILTER DISC 审中-公开
公开(公告)号：WO2018222130A1
公开(公告)日：2018-12-06
申请号：PCT/SE2018/050567
申请日：2018-06-01
申请人： NORDIC WATER PRODUCTS AB
发明人： LEE, Stuart
IPC分类号： B01D33/23
摘要： A filter element for use in a filter disc, wherein a plurality of filter elements are arranged on a rotor shaft in a manner allowing liquid communication between the inside of the filter elements and the inside of the rotor shaft. The filter element has at least one passage in an edge structure for liquid communication between the inside of adjacent filter elements when the filter elements are assembled forming a filter disc. The passage has different passage area along the edge structure.

7. 发明申请

WO2015167396A1 LAMELLA SETTLER 审中-公开
公开(公告)号：WO2015167396A1
公开(公告)日：2015-11-05
申请号：PCT/SE2015/050481
申请日：2015-04-29
申请人： NORDIC WATER PRODUCTS AB
发明人： FELDTHUSEN, Mattias
IPC分类号： B01D21/00
CPC分类号： B01D21/0003 , B01D21/0045 , B01D21/2444
摘要： A lamella settler (1) comprises a basin (10) with an inlet for liquid to be cleaned and a sludge outlet and with a plurality of outlet openings (12) for cleaned liquid. Each of a plurality of outlet flumes (16)connects to one of the plurality of outlet openings (12). A plurality of lamella plates are (18) attached to adjacent flumes (16). By providing a plurality of transverse beams (14)above the basin (10), wherein the outlet flumes (16)are supported by the beams (14), an improved lamella settler is achieved which is easier to manufacture and assemble and which has improved characteristics.
摘要翻译：薄片沉降器（1）包括具有用于待清洁的液体的入口的盆（10）和污泥出口以及用于清洁的液体的多个出口（12）。多个出口槽（16）中的每一个连接到多个出口（12）中的一个。多个薄片板（18）连接到相邻的水槽（16）上。通过在盆（10）上方设置多个横梁（14），其中出口槽（16）由梁（14）支撑，实现了改进的薄片沉降器，其更易于制造和组装并且已经改进特点。

8. 发明申请

WO2013176616A1 CONTINUOUS SAND FILTER PLANT WITH FLUID DISTRIBUTORS 审中-公开
标题翻译：连续流砂机与流体分配器
公开(公告)号：WO2013176616A1
公开(公告)日：2013-11-28
申请号：PCT/SE2013/050586
申请日：2013-05-22
申请人： NORDIC WATER PRODUCTS AB
发明人： LARSSON, Hans F
IPC分类号： B01D24/40 , B01D24/16
CPC分类号： B01D24/40 , B01D24/002 , B01D24/005 , B01D24/30 , B01D24/4689
摘要： A continuous sand filter plant comprises a plurality of filter modules at least one fluid distributor. By designing the fluid distributor with a length adapted to extend across at least two filter modules of the filter plant, the costs are lower than in prior art filter plants.
摘要翻译：连续砂过滤设备包括至少一个流体分配器的多个过滤器模块。通过设计具有适于延伸穿过过滤设备的至少两个过滤器模块的长度的流体分配器，成本低于现有技术的过滤设备。

9. 发明申请

WO2011057665A1 A METHOD FOR THE TREATMENT OF WATER AND WASTEWATER 审中-公开
标题翻译：一种处理水和废水的方法
公开(公告)号：WO2011057665A1
公开(公告)日：2011-05-19
申请号：PCT/EP2009/065011
申请日：2009-11-11
申请人： NORDIC WATER PRODUCTS AB , LARSSON, Hans, F.
发明人： LARSSON, Hans, F.
IPC分类号： B01D24/00 , B01D24/30 , B01D24/46
CPC分类号： B01D24/46 , B01D24/007 , B01D24/30 , B01D24/4689
摘要： A method and a plant for the treatment of water or wastewater, having impurities therein by filtration through two granular media filter stages (1, 2) of the moving bed type operated in series, comprising: feeding of said water/wastewater as a first influent to first stage granular media filters; filtration of said first influent in said first stage granular media filters to produce a first effluent; feeding said first effluent as a second influent to second stage granular media filters; and filtration of said second influent in said second stage granular media filters to produce a second effluent; wherein said second stage granular media filters (2) are operated with intermittent washing of the granular filter media.
摘要翻译：一种用于处理水或废水的方法和设备，其中通过串联操作的移动床式的两个颗粒状介质过滤段（1,2）过滤而具有杂质，包括：将所述水/废水作为第一流入物进料到第一阶段颗粒状介质过滤器; 在所述第一级粒状介质过滤器中过滤所述第一流入物以产生第一流出物; 将第一流出物作为第二流入物送入第二级颗粒介质过滤器; 和在所述第二级粒状介质过滤器中过滤所述第二流入物以产生第二流出物; 其中所述第二级粒状介质过滤器（2）通过间歇洗涤颗粒状过滤介质来操作。

10. 发明申请

WO1995001825A1 APPARATUS FOR FILTERING LIQUIDS CONTAINING PARTICLES 审中-公开
标题翻译：用于过滤含有液体的液体的装置
公开(公告)号：WO1995001825A1
公开(公告)日：1995-01-19
申请号：PCT/SE1994000660
申请日：1994-07-04
申请人： NORDIC WATER PRODUCTS AB , FRYKHULT, Siri, Viktoria
发明人： NORDIC WATER PRODUCTS AB
IPC分类号： B01D33/11
CPC分类号： B01D33/11 , B01D33/21 , B01D33/50 , B01D33/74 , B01D33/742 , B01D33/801 , B01D33/807 , B01D2201/282 , B01D2201/46
摘要： An apparatus for filtering liquids, such as fiber suspensions or polluted water, includes a hollow rotating filter body (1) adapted to receive the liquid to be filtered within the body. A plurality of guide members (6) are attached to the filter body and distributed around the latter to receive cloudy filtrate penetrating the filter body at the descending side. A basin (12) is arranged at the descending side of the filter body to collect cloudy filtrate poured from the guide members. As a result, the cloudy filtrate is prevented from mixing with the clear filtrate.
摘要翻译：用于过滤液体的装置，例如纤维悬浮液或污染水，包括适于在体内接收待过滤液体的中空旋转过滤体（1）。多个引导构件（6）附接到过滤器主体并分布在其上，以在下降的一侧接收透过过滤体的混浊的滤液。在过滤器主体的下降侧设置有盆（12），以从引导构件收集混浊的滤液。结果，防止混浊的滤液与澄清的滤液混合。

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